feat: implement basic oidc functionality

sql/oidc_schemas.sql

@@ -0,0 +1,25 @@
+CREATE TABLE IF NOT EXISTS "oidc_codes" (
+    "sub" TEXT NOT NULL UNIQUE,
+    "code" TEXT NOT NULL PRIMARY KEY UNIQUE,
+    "scope" TEXT NOT NULL,
+    "redirect_uri" TEXT NOT NULL,
+    "client_id" TEXT NOT NULL,
+    "expires_at" INTEGER NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS "oidc_tokens" (
+    "sub" TEXT NOT NULL UNIQUE,
+    "access_token" TEXT NOT NULL PRIMARY KEY UNIQUE,
+    "scope" TEXT NOT NULL,
+    "client_id" TEXT NOT NULL,
+    "expires_at" INTEGER NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS "oidc_userinfo" (
+    "sub" TEXT NOT NULL UNIQUE PRIMARY KEY,
+    "name" TEXT NOT NULL,
+    "preferred_username" TEXT NOT NULL,
+    "email" TEXT NOT NULL,
+    "groups" TEXT NOT NULL,
+    "updated_at" INTEGER NOT NULL
+);