Add endpoint for reading and updating site .env file (#564)

* feat(api): Add endpoint for reading site .env file

- Add GET /api/projects/{project}/servers/{server}/sites/{site}/env endpoint
- Add feature tests with SSH mocking

* added updating env

* fix coding style

* generate docs

---------

Co-authored-by: Saeed Vaziry <mr.saeedvaziry@gmail.com>

.scribe/endpoints/06.yaml

@@ -61,7 +61,7 @@ endpoints:
     responses:
       -
         status: 200
-        content: '{"data":[{"id":null,"site_id":null,"mode":301,"from":"eaque","to":"http:\/\/www.windler.info\/delectus-facilis-assumenda-consequatur-impedit-hic-dolorem-non-dolore.html","status":"ready","created_at":null,"updated_at":null},{"id":null,"site_id":null,"mode":308,"from":"neque","to":"http:\/\/raynor.biz\/velit-a-tempore-quas-explicabo-doloremque","status":"ready","created_at":null,"updated_at":null}],"links":{"first":"\/?page=1","last":"\/?page=1","prev":null,"next":null},"meta":{"current_page":1,"from":1,"last_page":1,"links":[{"url":null,"label":"« Previous","active":false},{"url":"\/?page=1","label":"1","active":true},{"url":null,"label":"Next »","active":false}],"path":"\/","per_page":25,"to":2,"total":2}}'
+        content: '{"data":[{"id":null,"site_id":null,"mode":307,"from":"ipsum","to":"http:\/\/fritsch.biz\/","status":"ready","created_at":null,"updated_at":null},{"id":null,"site_id":null,"mode":302,"from":"culpa","to":"http:\/\/www.huels.net\/aut-ut-ut-porro-non-rerum-voluptatum.html","status":"ready","created_at":null,"updated_at":null}],"links":{"first":"\/?page=1","last":"\/?page=1","prev":null,"next":null},"meta":{"current_page":1,"from":1,"last_page":1,"links":[{"url":null,"label":"« Previous","active":false},{"url":"\/?page=1","label":"1","active":true},{"url":null,"label":"Next »","active":false}],"path":"\/","per_page":25,"to":2,"total":2}}'
         headers: []
         description: ''
         custom: []
@@ -69,7 +69,7 @@ endpoints:
     auth:
       - headers
       - Authorization
-      - 'Bearer 4fD5a38caEk1vZPdbVh66ge'
+      - 'Bearer cV16fevgEZhPadD43685akb'
     controller: null
     method: null
     route: null
@@ -133,7 +133,7 @@ endpoints:
         name: from
         description: ''
         required: true
-        example: qui
+        example: odit
         type: string
         enumValues: []
         exampleWasSpecified: false
@@ -143,7 +143,7 @@ endpoints:
         name: to
         description: ''
         required: true
-        example: voluptatum
+        example: incidunt
         type: string
         enumValues: []
         exampleWasSpecified: false
@@ -153,7 +153,7 @@ endpoints:
         name: mode
         description: ''
         required: true
-        example: 302
+        example: 301
         type: string
         enumValues:
           - 301
@@ -164,9 +164,9 @@ endpoints:
         nullable: false
         custom: []
     cleanBodyParameters:
-      from: qui
-      to: voluptatum
-      mode: 302
+      from: odit
+      to: incidunt
+      mode: 301
     fileParameters: []
     responses:
       -
@@ -179,7 +179,7 @@ endpoints:
     auth:
       - headers
       - Authorization
-      - 'Bearer haPda6v1be64V8gcf3Dk5EZ'
+      - 'Bearer ZD45hPk638abev61EVcagdf'
     controller: null
     method: null
     route: null
@@ -263,7 +263,7 @@ endpoints:
     auth:
       - headers
       - Authorization
-      - 'Bearer DVP8ve46k3dfhga5Z61bcEa'
+      - 'Bearer Ec3fDgdbae615aPh8k6vV4Z'
     controller: null
     method: null
     route: null