chore: bump version to 0.8.0 across app shell, landing page, README (Task 17)

desktop/src-tauri/Cargo.lock

@@ -1783,7 +1783,7 @@ dependencies = [
 
 [[package]]
 name = "gridline"
-version = "0.7.15"
+version = "0.8.0"
 dependencies = [
  "bytes",
  "chrono",

desktop/src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "gridline"
-version = "0.7.15"
+version = "0.8.0"
 description = "An open-source, high-performance database GUI client for PostgreSQL and beyond"
 authors = ["you"]
 edition = "2021"

desktop/src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "Gridline",
-  "version": "0.7.15",
+  "version": "0.8.0",
   "identifier": "com.adrianbonpin.gridline",
   "build": {
     "beforeDevCommand": "bun run dev",