[Fixtures] Add pod monkey.podspec to test_repo

Allows to test #should_build? and is the dependency of BananaLib.

spec/fixtures/monkey/monkey.podspec

+Pod::Spec.new do |s|
+  s.name             = "monkey"
+  s.version          = "1.0.2"
+  s.author           = { "Funky Monkey" => "funky@monkey.local" }
+  s.summary          = "🙈🙉🙊"
+  s.description      = "See no evil! Hear no evil! Speak no evil!"
+  s.homepage         = "http://httpbin.org/html"
+  s.source           = { :git => "http://monkey.local/monkey.git", :tag => s.version.to_s }
+  s.license          = 'MIT'
+  s.vendored_library = 'monkey.a'
+end

spec/fixtures/spec-repos/test_repo/monkey/1.0.2/monkey.podspec

+Pod::Spec.new do |s|
+  s.name             = "monkey"
+  s.version          = "1.0.2"
+  s.author           = { "Funky Monkey" => "funky@monkey.local" }
+  s.summary          = "🙈🙉🙊"
+  s.description      = "See no evil! Hear no evil! Speak no evil!"
+  s.homepage         = "http://httpbin.org/html"
+  s.source           = { :git => "http://monkey.local/monkey.git", :tag => s.version.to_s }
+  s.license          = 'MIT'
+  s.vendored_library = 'monkey.a'
+end