Add some JSDoc annotations to describe code functionality. (#355)

* lesen-tan initial commit

* update README.md

* tidy up code

* opt for Map<K, V> instead of Object

* Document dev/*

* add docs for deinflector.js

* update deinflector example

* Annotate

* Revert "Merge branch 'development' of https://github.com/Scrub1492/lesen-tan into development"

This reverts commit b92348f702bc031b36f24462adfa940d17f9ecdd, reversing
changes made to 3255e6d963281af3533dcf1e893df39032d29fec.

* Lint error fix

* Lint error fix

1 files changed, 10 insertions, 3 deletions

diff --git a/dev/translator-vm.js b/dev/translator-vm.js
index 60777da0..f407e57e 100644
--- a/dev/translator-vm.js
+++ b/dev/translator-vm.js
@@ -32,6 +32,9 @@ vi.mock('../ext/js/language/dictionary-importer-media-loader.js', async () => aw
 
 const dirname = path.dirname(fileURLToPath(import.meta.url));
 
+/**
+ * Translator Virtual Machine.
+ */
 export class TranslatorVM {
     constructor() {
         /** @type {import('dev/vm').PseudoChrome} */
@@ -55,15 +58,19 @@ export class TranslatorVM {
         this._dictionaryName = null;
     }
 
-    /** @type {Translator} */
+    /**
+     * Returns this VM's translator.
+     * @type {Translator}
+     */
     get translator() {
         if (this._translator === null) { throw new Error('Not prepared'); }
         return this._translator;
     }
 
     /**
-     * @param {string} dictionaryDirectory
-     * @param {string} dictionaryName
+     * Initialize this translator VM from a dictionary.
+     * @param {string} dictionaryDirectory Directory of the dictionary files.
+     * @param {string} dictionaryName Name of the dictionary.
      */
     async prepare(dictionaryDirectory, dictionaryName) {
         // Dictionary