feat(event): Add source to SDK payload

Author: AbhiPrasad

src/docs/sdk/event-payloads/sdk.mdx

@@ -11,39 +11,43 @@ and transmit an event.
 `name`
 
 : **Required**. The name of the SDK. The format is `entity.ecosystem[.flavor]`
-  where _entity_ identifies the developer of the SDK, _ecosystem_ refers to the
-  programming language or platform where the SDK is to be used and the optional
-  _flavor_ is used to identify standalone SDKs that are part of a major
-  ecosystem.  
-  Official Sentry SDKs use the _entity_ `sentry`. Examples:
-  - `sentry.python`
-  - `sentry.javascript.react-native`
+where _entity_ identifies the developer of the SDK, _ecosystem_ refers to the
+programming language or platform where the SDK is to be used and the optional
+_flavor_ is used to identify standalone SDKs that are part of a major
+ecosystem. Official Sentry SDKs use the _entity_ `sentry`. Examples:
+
+- `sentry.python`
+- `sentry.javascript.react-native`
 
 `version`
 
 : **Required**. The version of the SDK. It should have the [Semantic
-  Versioning](https://semver.org) format `MAJOR.MINOR.PATCH`, without any prefix
-  (no `v` or anything else in front of the major version number).  
-  Examples:
-  - `0.1.0`
-  - `1.0.0`
-  - `4.3.12`
+Versioning](https://semver.org) format `MAJOR.MINOR.PATCH`, without any prefix
+(no `v` or anything else in front of the major version number). Examples:
+
+- `0.1.0`
+- `1.0.0`
+- `4.3.12`
 
 `integrations`
 
 : _Optional_. A list of names identifying enabled integrations. The list should
-  have all enabled integrations, including default integrations. Default
-  integrations are included because different SDK releases may contain different
-  default integrations.
+have all enabled integrations, including default integrations. Default
+integrations are included because different SDK releases may contain different
+default integrations.
 
 `packages`
 
 : _Optional_. A list of packages that were installed as part of this SDK or the
-  activated integrations. Each package consists of a `name` in the format
-  `source:identifier` and `version`.  
-  If the source is a Git repository, the source should be `git`, the
-  `identifier` should be a checkout link and the `version` should be a Git
-  reference (branch, tag or SHA).
+activated integrations. Each package consists of a `name` in the format
+`source:identifier` and `version`. If the source is a Git repository, the source should be `git`, the
+`identifier` should be a checkout link and the `version` should be a Git
+reference (branch, tag or SHA).
+
+`source`
+
+: _Optional_. The installation mechanism for the SDK. This can be a package
+manager like `npm` or `cocoapods` or a custom installation mechanism like or `CDN`.
 
 ## Example
 
@@ -55,9 +59,7 @@ attributes for simplicity.
   "sdk": {
     "name": "sentry.javascript.react-native",
     "version": "1.0.0",
-    "integrations": [
-      "redux"
-    ],
+    "integrations": ["redux"],
     "packages": [
       {
         "name": "npm:@sentry/react-native",
@@ -67,7 +69,8 @@ attributes for simplicity.
         "name": "git:https://github.com/getsentry/sentry-cocoa.git",
         "version": "4.1.0"
       }
-    ]
+    ],
+    "source": "npm"
   }
 }
-```
+```