NO-ISSUE Remove .sqlx from gitignore (#99)

### Description

- `.sqlx` should be check into version control system because it is required when rust compiling if there is no available online sql server.

### Package Changes

_No response_

### Screenshots

_No response_

### Reference

__NO_ISSUE__

### Checklist

- [x] A milestone is set
- [ ] The related issuse has been linked to this branch

Reviewed-on: #99
Co-authored-by: SquidSpirit <squid@squidspirit.com>
Co-committed-by: SquidSpirit <squid@squidspirit.com>

backend/.gitignore

@@ -1,3 +1,2 @@
 .env
-/.sqlx
 /target

backend/.sqlx/query-1926140fd0232511d302cd514f41af1e619a1c68b94e18cdc53234c9de701390.json

@@ -0,0 +1,28 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n                SELECT id, mime_type\n                FROM image\n                WHERE id = $1 AND deleted_time IS NULL\n            ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 1,
+        "name": "mime_type",
+        "type_info": "Varchar"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Int4"
+      ]
+    },
+    "nullable": [
+      false,
+      false
+    ]
+  },
+  "hash": "1926140fd0232511d302cd514f41af1e619a1c68b94e18cdc53234c9de701390"
+}

backend/.sqlx/query-715922e4ffa6881f23ea890ebf77abd86937c3f4fe606572156a29d4441028e9.json

@@ -0,0 +1,22 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n                INSERT INTO image (mime_type)\n                VALUES ($1)\n                RETURNING id\n            ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Int4"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Varchar"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "715922e4ffa6881f23ea890ebf77abd86937c3f4fe606572156a29d4441028e9"
+}

backend/.sqlx/query-9c3ae9a539390e3b0493d325439fdc73cb2925bdb17330a21db4341e5822291b.json

@@ -0,0 +1,47 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n            SELECT id, issuer, source_id, displayed_name, email\n            FROM \"user\"\n            WHERE issuer = $1 AND source_id = $2\n            ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 1,
+        "name": "issuer",
+        "type_info": "Varchar"
+      },
+      {
+        "ordinal": 2,
+        "name": "source_id",
+        "type_info": "Varchar"
+      },
+      {
+        "ordinal": 3,
+        "name": "displayed_name",
+        "type_info": "Varchar"
+      },
+      {
+        "ordinal": 4,
+        "name": "email",
+        "type_info": "Varchar"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Text",
+        "Text"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "9c3ae9a539390e3b0493d325439fdc73cb2925bdb17330a21db4341e5822291b"
+}

backend/.sqlx/query-e9741186ea464ef1ba3598223ad9f042ec876cbdc4e2d9eca787ff1de598551c.json

@@ -0,0 +1,25 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n            INSERT INTO \"user\" (issuer, source_id, displayed_name, email)\n            VALUES ($1, $2, $3, $4)\n            RETURNING id\n            ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Int4"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Varchar",
+        "Varchar",
+        "Varchar",
+        "Varchar"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "e9741186ea464ef1ba3598223ad9f042ec876cbdc4e2d9eca787ff1de598551c"
+}