fix: typos (#622)

* fix typos

starknet/src/authenticators/stark_sig.cairo

@@ -10,7 +10,7 @@ trait IStarkSigAuthenticator<TContractState> {
     ///
     /// * `signature` - The signature of message digest.
     /// * `space` - The address of the space contract.
-    /// * `author` - The starkent address of the author of the proposal.
+    /// * `author` - The starknet address of the author of the proposal.
     /// * `metadata_uri` - The URI of the proposal metadata.
     /// * `execution_strategy` - The execution strategy of the proposal.
     /// * `user_proposal_validation_params` - The user proposal validation params of the proposal.
@@ -35,7 +35,7 @@ trait IStarkSigAuthenticator<TContractState> {
     ///
     /// * `signature` - The signature of message digest.
     /// * `space` - The address of the space contract.
-    /// * `voter` - The starkent address of the voter.
+    /// * `voter` - The starknet address of the voter.
     /// * `proposal_id` - The id of the proposal.
     /// * `choice` - The choice of the voter.
     /// * `user_voting_strategies` - The user voting strategies of the voter.
@@ -58,7 +58,7 @@ trait IStarkSigAuthenticator<TContractState> {
     ///
     /// * `signature` - The signature of message digest.
     /// * `space` - The address of the space contract.
-    /// * `author` - The starkent address of the author of the proposal.
+    /// * `author` - The starknet address of the author of the proposal.
     /// * `proposal_id` - The id of the proposal.
     /// * `execution_strategy` - The execution strategy of the proposal.
     /// * `metadata_uri` - The URI of the proposal metadata.

starknet/src/utils/single_slot_proof.cairo

@@ -46,7 +46,7 @@ mod SingleSlotProof {
         }
 
         fn cache_timestamp(ref self: ContractState, timestamp: u32, tree: BinarySearchTree) {
-            // Maps timestamp to closest L1 block number that occured before the timestamp. If the queried 
+            // Maps timestamp to closest L1 block number that occurred before the timestamp. If the queried 
             // timestamp is less than the earliest timestamp or larger than the latest timestamp in the mapper
             // then the call will return Option::None and the transaction will revert.
             let l1_block_number = ITimestampRemappersDispatcher {

starknet/src/voting_strategies/evm_slot_value.cairo

@@ -64,10 +64,10 @@ mod EvmSlotValueVotingStrategy {
 
     #[generate_trait]
     impl SingleSlotProofImpl of SingleSlotProofTrait {
-        /// Queries the Timestamp Remapper contract for the closest L1 block number that occured before
+        /// Queries the Timestamp Remapper contract for the closest L1 block number that occurred before
         /// the given timestamp and then caches the result. If the queried timestamp is less than the earliest
         /// timestamp or larger than the latest timestamp in the mapper then the transaction will revert.
-        /// This function should be used to cache a remapped timestamp before its used when calling the 
+        /// This function should be used to cache a remapped timestamp before it's used when calling the 
         /// `get_storage_slot` function with the same timestamp.
         ///
         /// # Arguments

starknet/src/voting_strategies/merkle_whitelist.cairo

@@ -9,7 +9,7 @@ mod MerkleWhitelistVotingStrategy {
 
     #[abi(embed_v0)]
     impl MerkleWhitelistImpl of IVotingStrategy<ContractState> {
-        /// Returns the voting power of a members of a merkle tree.
+        /// Returns the voting power of a member of a merkle tree.
         /// The merkle tree root is stored in the strategy parameters (defined by the space owner).
         /// It is up to the user to supply the leaf and the corresponding proof.
         ///

starknet/src/voting_strategies/oz_votes_storage_proof.cairo

@@ -81,10 +81,10 @@ mod OZVotesStorageProofVotingStrategy {
 
     #[generate_trait]
     impl SingleSlotProofImpl of SingleSlotProofTrait {
-        /// Queries the Timestamp Remapper contract for the closest L1 block number that occured before
+        /// Queries the Timestamp Remapper contract for the closest L1 block number that occurred before
         /// the given timestamp and then caches the result. If the queried timestamp is less than the earliest
         /// timestamp or larger than the latest timestamp in the mapper then the transaction will revert.
-        /// This function should be used to cache a remapped timestamp before its used when calling the 
+        /// This function should be used to cache a remapped timestamp before it's used when calling the 
         /// `get_storage_slot` function with the same timestamp.
         ///
         /// # Arguments

starknet/src/voting_strategies/oz_votes_trace_208_storage_proof.cairo

@@ -81,10 +81,10 @@ mod OZVotesTrace208StorageProofVotingStrategy {
 
     #[generate_trait]
     impl SingleSlotProofImpl of SingleSlotProofTrait {
-        /// Queries the Timestamp Remapper contract for the closest L1 block number that occured before
+        /// Queries the Timestamp Remapper contract for the closest L1 block number that occurred before
         /// the given timestamp and then caches the result. If the queried timestamp is less than the earliest
         /// timestamp or larger than the latest timestamp in the mapper then the transaction will revert.
-        /// This function should be used to cache a remapped timestamp before its used when calling the 
+        /// This function should be used to cache a remapped timestamp before it's used when calling the 
         /// `get_storage_slot` function with the same timestamp.
         ///
         /// # Arguments