feat(Google): Support all Text/Chat Models, Response streaming, PaLM -> Google 🤖 (#1316)

* feat: update PaLM icons

* feat: add additional google models

* POC: formatting inputs for Vertex AI streaming

* refactor: move endpoints services outside of /routes dir to /services/Endpoints

* refactor: shorten schemas import

* refactor: rename PALM to GOOGLE

* feat: make Google editable endpoint

* feat: reusable Ask and Edit controllers based off Anthropic

* chore: organize imports/logic

* fix(parseConvo): include examples in googleSchema

* fix: google only allows odd number of messages to be sent

* fix: pass proxy to AnthropicClient

* refactor: change `google` altName to `Google`

* refactor: update getModelMaxTokens and related functions to handle maxTokensMap with nested endpoint model key/values

* refactor: google Icon and response sender changes (Codey and Google logo instead of PaLM in all cases)

* feat: google support for maxTokensMap

* feat: google updated endpoints with Ask/Edit controllers, buildOptions, and initializeClient

* feat(GoogleClient): now builds prompt for text models and supports real streaming from Vertex AI through langchain

* chore(GoogleClient): remove comments, left before for reference in git history

* docs: update google instructions (WIP)

* docs(apis_and_tokens.md): add images to google instructions

* docs: remove typo apis_and_tokens.md

* Update apis_and_tokens.md

* feat(Google): use default settings map, fully support context for both text and chat models, fully support examples for chat models

* chore: update more PaLM references to Google

* chore: move playwright out of workflows to avoid failing tests

client/src/localization/languages/Jp.tsx

@@ -133,7 +133,7 @@ export default {
     'Top-k はモデルがトークンをどのように選択して出力するかを変更します。top-kが1の場合はモデルの語彙に含まれるすべてのトークンの中で最も確率が高い1つが選択されます(greedy decodingと呼ばれている)。top-kが3の場合は上位3つのトークンの中から選択されます。(temperatureを使用)',
   com_endpoint_google_maxoutputtokens:
     ' 	生成されるレスポンスの最大トークン数。短いレスポンスには低い値を、長いレスポンスには高い値を指定します。',
-  com_endpoint_google_custom_name_placeholder: 'PaLM2のカスタム名を設定する',
+  com_endpoint_google_custom_name_placeholder: 'Googleのカスタム名を設定する',
   com_endpoint_prompt_prefix_placeholder:
     'custom instructions か context を設定する。空の場合は無視されます。',
   com_endpoint_custom_name: 'プリセット名',