⭐feat: Add Steam account linking with team creation (#274)

## Description
<!-- Briefly describe the purpose and scope of your changes -->


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

- **New Features**
- Introduced a real-time Steam login flow using QR codes and server-sent
events (SSE) for team creation and authentication.
- Added Steam account and friend management, including secure credential
storage and friend list synchronization.
- Integrated Steam login endpoints into the API, enabling QR code-based
login and automated team setup.

- **Improvements**
- Enhanced data security by implementing encrypted storage for sensitive
tokens.
- Updated database schema to support Steam accounts, teams, memberships,
and social connections.
- Refined type definitions and consolidated account-related information
for improved consistency.

- **Bug Fixes**
  - Fixed trade ban status representation for Steam accounts.

- **Chores**
- Removed legacy C# Steam authentication service and related
configuration files.
  - Updated and cleaned up package dependencies and development tooling.
  - Streamlined type declaration files and resource definitions.

- **Style**
- Redesigned the team creation page UI with a modern, animated QR code
login interface.

- **Documentation**
  - Updated OpenAPI documentation for new Steam login endpoints.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

patches/steam-session@1.9.3.patch

@@ -0,0 +1,26 @@
+diff --git a/dist/AuthenticationClient.js b/dist/AuthenticationClient.js
+index a7144534a4c27b25e63804aeb4ae87a1f9c7a4e0..068250690a7b6bc4c2c5270cd603f7190a925956 100644
+--- a/dist/AuthenticationClient.js
++++ b/dist/AuthenticationClient.js
+@@ -314,7 +314,7 @@ class AuthenticationClient extends events_1.EventEmitter {
+                         cookie: 'mobileClient=android; mobileClientVersion=777777 3.0.0'
+                     },
+                     deviceDetails: {
+-                        device_friendly_name: 'Galaxy S22',
++                        device_friendly_name: 'Nestri Mobile',
+                         platform_type: EAuthTokenPlatformType_1.default.MobileApp,
+                         os_type: EOSType_1.default.AndroidUnknown,
+                         gaming_device_type: 528 // dunno
+diff --git a/src/AuthenticationClient.ts b/src/AuthenticationClient.ts
+index 9e1c5bcf8b36d304d313c5b35795b4b543da27dd..17bce1acc689c7210060e5cea196ca63e973355b 100644
+--- a/src/AuthenticationClient.ts
++++ b/src/AuthenticationClient.ts
+@@ -414,7 +414,7 @@ export default class AuthenticationClient extends EventEmitter {
+ 						cookie: 'mobileClient=android; mobileClientVersion=777777 3.0.0'
+ 					},
+ 					deviceDetails: {
+-						device_friendly_name: 'Galaxy S22',
++						device_friendly_name: 'Nestri Mobile',
+ 						platform_type: EAuthTokenPlatformType.MobileApp,
+ 						os_type: EOSType.AndroidUnknown,
+ 						gaming_device_type: 528 // dunno