Fix typos and add GH action that checks them (#311)

* add typos workflow

* fix existing typos

* fix

evm-template/node/src/cli.rs

@@ -45,7 +45,7 @@ pub enum Subcommand {
 
     /// Try-runtime has migrated to a standalone
     /// [CLI](<https://github.com/paritytech/try-runtime-cli>). The subcommand exists as a stub and
-    /// deprecation notice. It will be removed entirely some time after Janurary
+    /// deprecation notice. It will be removed entirely some time after January
     /// 2024.
     TryRuntime,
 }

evm-template/node/src/eth.rs

@@ -30,7 +30,7 @@ pub fn db_config_dir(config: &Configuration) -> PathBuf {
     config.base_path.config_dir(config.chain_spec.id())
 }
 
-/// Avalailable frontier backend types.
+/// Available frontier backend types.
 #[derive(Debug, Copy, Clone, Default, clap::ValueEnum)]
 pub enum BackendType {
     /// Either RocksDb or ParityDb as per inherited from the global backend settings.

evm-template/runtime/src/constants.rs

@@ -14,7 +14,7 @@ pub mod currency {
     pub const GRAND: Balance = 1_000 * DOLLARS;
 
     /// NB: Notice, that existential deposit was set to 0 intentionally to increase compatibility with EVM.
-    /// Hovewer, it leads to some risks, most importantly state bloating.
+    /// However, it leads to some risks, most importantly state bloating.
     /// We acknowledge that there is such a risk and we have an opened issue to resolve it:
     /// https://github.com/OpenZeppelin/polkadot-runtime-templates/issues/195
     /// If you read this message please check out this issue to see if it is resolved and what can you do to implement the fix.

evm-template/template-fuzzer/src/main.rs

@@ -75,13 +75,13 @@ fn main() {
     };
 
     ziggy::fuzz!(|data: &[u8]| {
-        let mut iteratable = Data::from_data(data);
+        let mut iterable = Data::from_data(data);
 
         // Max weight for a block.
         let max_weight: Weight = Weight::from_parts(WEIGHT_REF_TIME_PER_SECOND * 2, 0);
 
         let extrinsics: Vec<(Option<u32>, usize, RuntimeCall)> =
-            iteratable.extract_extrinsics::<RuntimeCall>();
+            iterable.extract_extrinsics::<RuntimeCall>();
 
         if extrinsics.is_empty() {
             return;
@@ -278,7 +278,7 @@ fn main() {
 
             let total_issuance = pallet_balances::TotalIssuance::<Runtime>::get();
             let counted_issuance = counted_free + counted_reserved;
-            // The reason we do not simply use `!=` here is that some balance might be transfered to another chain via XCM.
+            // The reason we do not simply use `!=` here is that some balance might be transferred to another chain via XCM.
             // If we find some kind of workaround for this, we could replace `<` by `!=` here and make the check stronger.
             assert!(
                 total_issuance <= counted_issuance,