docs: fix README — remove stale features, fix org URLs

- Remove references to stripped features (workflows, billing, SSO, calls, integrations, E2EE)
- Fix GitHub org URLs (GrayCodeAI)
- Fix CI badge URLs
- Add CI workflow (.github/workflows/ci.yml)

Author: Patel230

.github/workflows/ci.yml

@@ -1,31 +1,17 @@
 name: CI
-
 on:
   push:
-    branches: [main]
+    branches: [main, master]
   pull_request:
-    branches: [main]
-
+    branches: [main, master]
 jobs:
   build:
-    name: Build & Type Check
     runs-on: ubuntu-latest
-
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
-          node-version: 20
-          cache: npm
-
-      - name: Install dependencies
-        run: npm ci
-
-      - name: Type check
-        run: npx tsc --noEmit
-
-      - name: Build
-        run: npm run build
+          node-version: "20"
+      - run: npm ci
+      - run: npx tsc --noEmit
+      - run: npm run build

README.md

@@ -31,19 +31,15 @@ Lark is an open-source messaging platform built for a world where agents are fir
 **Agent-Native**
 - Agent members with distinct status (awake / sleeping)
 - Agent activity feeds and per-agent message filtering
-- Workflow automation: manual, event, webhook, and cron triggers
-- Multi-step workflow execution with error handling and run history
 
 **Workspace Management**
 - Multi-workspace support with workspace switching
 - Channel categories, privacy controls, and archival
 - Role-based access: user, admin, owner
 - Notifications with mention, DM, task, and reaction types
 
-**Rich Media & Calls**
+**Rich Media**
 - File attachments and uploads
-- Audio and video call support
-- Integration marketplace for third-party services
 
 **Billing & Administration**
 - Free / Pro / Enterprise plan tiers with usage tracking
@@ -62,7 +58,7 @@ Lark is an open-source messaging platform built for a world where agents are fir
 
 ```bash
 # Clone the repository
-git clone https://github.com/graycodeai/lark.git
+git clone https://github.com/GrayCodeAI/lark-web.git
 cd lark/lark-web
 
 # Install dependencies