Add scripts/codespell.sh and spellcheck

node/lib/binding.ts

@@ -2,7 +2,7 @@ import { join } from 'path'
 
 /**
  * bindings are not typed yet.
- * if the availible function names are required they can be found inside of `../src/module.c`
+ * if the available function names are required they can be found inside of `../src/module.c`
  */
 export const bindings: any = require('node-gyp-build')(join(__dirname, '../'))
 

node/lib/context.ts

@@ -543,7 +543,7 @@ export class Context extends EventEmitter {
 
   /**
    *
-   * @deprectated please use `AccountManager.getSystemInfo()` instead
+   * @deprecated please use `AccountManager.getSystemInfo()` instead
    */
   static getSystemInfo() {
     return AccountManager.getSystemInfo()
@@ -818,7 +818,7 @@ export class Context extends EventEmitter {
    *     Must be given in number of seconds since 00:00 hours, Jan 1, 1970 UTC.
    *     0 for "all up to now".
    * @return Array of locations, NULL is never returned.
-   *     The array is sorted decending;
+   *     The array is sorted descending;
    *     the first entry in the array is the location with the newest timestamp.
    *
    * Examples:

node/lib/deltachat.ts

@@ -217,7 +217,7 @@ export class AccountManager extends EventEmitter {
   /** get information about the provider
    *
    * This function creates a temporary context to be standalone,
-   * if posible use `Context.getProviderFromEmail` instead. (otherwise potential proxy settings are not used)
+   * if possible use `Context.getProviderFromEmail` instead. (otherwise potential proxy settings are not used)
    * @deprecated
    */
   static getProviderFromEmail(email: string) {