[add] 프로젝트 파일 추가(#3)

RxCocoaDemo/Podfile

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+# Uncomment the next line to define a global platform for your project
+# platform :ios, '9.0'
+
+target 'RxCocoaDemo' do
+  # Comment the next line if you don't want to use dynamic frameworks
+  use_frameworks!
+    	pod 'RxSwift', '6.2.0'
+    	pod 'RxCocoa', '6.2.0'
+	pod 'SnapKit', '~> 5.0.0'
+	pod 'Then'
+  # Pods for RxCocoaDemo
+
+end

RxCocoaDemo/Podfile.lock

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+PODS:
+  - RxCocoa (6.2.0):
+    - RxRelay (= 6.2.0)
+    - RxSwift (= 6.2.0)
+  - RxRelay (6.2.0):
+    - RxSwift (= 6.2.0)
+  - RxSwift (6.2.0)
+  - SnapKit (5.0.1)
+  - Then (2.7.0)
+
+DEPENDENCIES:
+  - RxCocoa (= 6.2.0)
+  - RxSwift (= 6.2.0)
+  - SnapKit (~> 5.0.0)
+  - Then
+
+SPEC REPOS:
+  trunk:
+    - RxCocoa
+    - RxRelay
+    - RxSwift
+    - SnapKit
+    - Then
+
+SPEC CHECKSUMS:
+  RxCocoa: 4baf94bb35f2c0ab31bc0cb9f1900155f646ba42
+  RxRelay: e72dbfd157807478401ef1982e1c61c945c94b2f
+  RxSwift: d356ab7bee873611322f134c5f9ef379fa183d8f
+  SnapKit: 97b92857e3df3a0c71833cce143274bf6ef8e5eb
+  Then: acfe0be7e98221c6204e12f8161459606d5d822d
+
+PODFILE CHECKSUM: 0ce4288e4be396739bacfa5a0fc950bd84b28b6b
+
+COCOAPODS: 1.11.2