Add Podfile.lock to .gitignore and removed Podfile.lock from ios folder

.gitignore

@@ -25,6 +25,7 @@ project.xcworkspace
 # Pods
 #
 ios/Pods
+ios/Podfile.lock
 
 # Android/IntelliJ
 #

ios/Podfile.lock

-PODS:
-  - Firebase/Core (5.20.2):
-    - Firebase/CoreOnly
-    - FirebaseAnalytics (= 5.8.1)
-  - Firebase/CoreOnly (5.20.2):
-    - FirebaseCore (= 5.4.1)
-  - Firebase/Messaging (5.20.2):
-    - Firebase/CoreOnly
-    - FirebaseMessaging (= 3.5.0)
-  - FirebaseAnalytics (5.8.1):
-    - FirebaseCore (~> 5.4)
-    - FirebaseInstanceID (~> 3.8)
-    - GoogleAppMeasurement (= 5.8.1)
-    - GoogleUtilities/AppDelegateSwizzler (~> 5.2)
-    - GoogleUtilities/MethodSwizzler (~> 5.2)
-    - GoogleUtilities/Network (~> 5.2)
-    - "GoogleUtilities/NSData+zlib (~> 5.2)"
-    - nanopb (~> 0.3)
-  - FirebaseAnalyticsInterop (1.2.0)
-  - FirebaseCore (5.4.1):
-    - GoogleUtilities/Environment (~> 5.2)
-    - GoogleUtilities/Logger (~> 5.2)
-  - FirebaseInstanceID (3.8.1):
-    - FirebaseCore (~> 5.2)
-    - GoogleUtilities/Environment (~> 5.2)
-    - GoogleUtilities/UserDefaults (~> 5.2)
-  - FirebaseMessaging (3.5.0):
-    - FirebaseAnalyticsInterop (~> 1.1)
-    - FirebaseCore (~> 5.2)
-    - FirebaseInstanceID (~> 3.6)
-    - GoogleUtilities/Environment (~> 5.3)
-    - GoogleUtilities/Reachability (~> 5.3)
-    - GoogleUtilities/UserDefaults (~> 5.3)
-    - Protobuf (~> 3.1)
-  - GoogleAppMeasurement (5.8.1):
-    - GoogleUtilities/AppDelegateSwizzler (~> 5.2)
-    - GoogleUtilities/MethodSwizzler (~> 5.2)
-    - GoogleUtilities/Network (~> 5.2)
-    - "GoogleUtilities/NSData+zlib (~> 5.2)"
-    - nanopb (~> 0.3)
-  - GoogleUtilities/AppDelegateSwizzler (5.8.0):
-    - GoogleUtilities/Environment
-    - GoogleUtilities/Logger
-    - GoogleUtilities/Network
-  - GoogleUtilities/Environment (5.8.0)
-  - GoogleUtilities/Logger (5.8.0):
-    - GoogleUtilities/Environment
-  - GoogleUtilities/MethodSwizzler (5.8.0):
-    - GoogleUtilities/Logger
-  - GoogleUtilities/Network (5.8.0):
-    - GoogleUtilities/Logger
-    - "GoogleUtilities/NSData+zlib"
-    - GoogleUtilities/Reachability
-  - "GoogleUtilities/NSData+zlib (5.8.0)"
-  - GoogleUtilities/Reachability (5.8.0):
-    - GoogleUtilities/Logger
-  - GoogleUtilities/UserDefaults (5.8.0):
-    - GoogleUtilities/Logger
-  - nanopb (0.3.901):
-    - nanopb/decode (= 0.3.901)
-    - nanopb/encode (= 0.3.901)
-  - nanopb/decode (0.3.901)
-  - nanopb/encode (0.3.901)
-  - Protobuf (3.7.0)
-
-DEPENDENCIES:
-  - Firebase/Core (~> 5.20.1)
-  - Firebase/Messaging (~> 5.20.1)
-
-SPEC REPOS:
-  https://github.com/cocoapods/specs.git:
-    - Firebase
-    - FirebaseAnalytics
-    - FirebaseAnalyticsInterop
-    - FirebaseCore
-    - FirebaseInstanceID
-    - FirebaseMessaging
-    - GoogleAppMeasurement
-    - GoogleUtilities
-    - nanopb
-    - Protobuf
-
-SPEC CHECKSUMS:
-  Firebase: 0c8cf33f266410c61ab3e2265cfa412200351d9c
-  FirebaseAnalytics: ece1aa57a4f43c64d53a648b5a5e05151aae947b
-  FirebaseAnalyticsInterop: efbe45c8385ec626e29f9525e5ebd38520dfb6c1
-  FirebaseCore: f1a9a8be1aee4bf71a2fc0f4096df6788bdfda61
-  FirebaseInstanceID: a122b0c258720cf250551bb2bedf48c699f80d90
-  FirebaseMessaging: 4235f949ce1c4e827aeb19705ba5c53f9b85aa10
-  GoogleAppMeasurement: ffe513e90551844a739e7bcbb1d2aca1c28a4338
-  GoogleUtilities: 04fce34bcd5620c1ee76fb79172105c74a4df335
-  nanopb: 2901f78ea1b7b4015c860c2fdd1ea2fee1a18d48
-  Protobuf: 7a877b7f3e5964e3fce995e2eb323dbc6831bb5a
-
-PODFILE CHECKSUM: 697e86e8d2521e995ae8f585c3d4e65d72e7f523
-
-COCOAPODS: 1.7.2