Fix some typos in comments

Signed-off-by: eveneast <qcqs@foxmail.com>

apps/vyper/src/app/utils/compiler.tsx

@@ -324,7 +324,7 @@ export async function compileContract(contract: string, compilerUrl: string, set
     remixClient.changeStatus({
       key: 'failed',
       type: 'error',
-      title: `1 error occured ${err.message}`
+      title: `1 error occurred ${err.message}`
     })
 
     setLoadingSpinnerState && setLoadingSpinnerState(false)

libs/remix-debug/src/solidity-decoder/decodeInfo.ts

@@ -229,7 +229,7 @@ function getEnum (type, stateDefinitions, contractName) {
 }
 
 /**
-  * retrieve members declared in the given @arg tye
+  * retrieve members declared in the given @arg type
   *
   * @param {String} typeName - name of the struct type (e.g struct <name>)
   * @param {Object} stateDefinitions  - all state definition given by the AST (including struct and enum type declaration) for all contracts

libs/remix-solidity/src/compiler/compiler-abstract.ts

@@ -22,8 +22,8 @@ export class CompilerAbstract {
     return helper.getContract(name, this.data.contracts)
   }
 
-  visitContracts (calllback) {
-    return helper.visitContracts(this.data.contracts, calllback)
+  visitContracts (callback) {
+    return helper.visitContracts(this.data.contracts, callback)
   }
 
   getData () {