Update existing endpoints in API reference to support Identities, update Identities docs

docs/api-reference/endpoints/organizations/workspaces.mdx

@@ -2,3 +2,9 @@
 title: "Get Projects"
 openapi: "GET /api/v2/organizations/{organizationId}/workspaces"
 ---
+
+<Warning>
+    This endpoint will be deprecated in the near future in Q1/Q2 2024.
+
+    We recommend switching to using [identities](/documentation/platform/identities/overview).
+</Warning>

docs/api-reference/endpoints/service-tokens/get.mdx

@@ -2,3 +2,9 @@
 title: "Get"
 openapi: "GET /api/v2/service-token/"
 ---
+
+<Warning>
+    This endpoint will be deprecated in the near future with the removal of service tokens in Q1/Q2 2024.
+
+    We recommend switching to using [identities](/documentation/platform/identities/overview).
+</Warning>

docs/api-reference/endpoints/users/me.mdx

@@ -2,3 +2,9 @@
 title: "Get My User"
 openapi: "GET /api/v2/users/me"
 ---
+
+<Warning>
+    This endpoint will be deprecated in the near future in Q1/Q2 2024.
+
+    We recommend switching to using [identities](/documentation/platform/identities/overview).
+</Warning>

docs/api-reference/endpoints/users/my-organizations.mdx

@@ -2,3 +2,9 @@
 title: "Get My Organizations"
 openapi: "GET /api/v2/users/me/organizations"
 ---
+
+<Warning>
+    This endpoint will be deprecated in the near future in Q1/Q2 2024.
+
+    We recommend switching to using [identities](/documentation/platform/identities/overview).
+</Warning>

docs/api-reference/endpoints/workspaces/workspace-key.mdx

@@ -2,3 +2,8 @@
 title: "Get Key"
 openapi: "GET /api/v2/workspace/{workspaceId}/encrypted-key"
 ---
+<Warning>
+    This endpoint will be deprecated in the near future in Q1/Q2 2024.
+
+    We recommend using Infisical in non-E2EE mode going forward.
+</Warning>