fix link to configuration docs

Author: arturcic

src/GitVersion.Core.Tests/Configuration/ConfigProviderTests.cs

@@ -97,7 +97,7 @@ public void RegexIsRequired()
             SetupConfigFileContent(text);
             var ex = Should.Throw<ConfigurationException>(() => configProvider.Provide(repoPath));
             ex.Message.ShouldBe($"Branch configuration 'bug' is missing required configuration 'regex'{System.Environment.NewLine}" +
-                                "See https://gitversion.net/docs/configuration/ for more info");
+                                "See https://gitversion.net/docs/configuration for more info");
         }
 
         [Test]
@@ -112,7 +112,7 @@ public void SourceBranchIsRequired()
             SetupConfigFileContent(text);
             var ex = Should.Throw<ConfigurationException>(() => configProvider.Provide(repoPath));
             ex.Message.ShouldBe($"Branch configuration 'bug' is missing required configuration 'source-branches'{System.Environment.NewLine}" +
-                                "See https://gitversion.net/docs/configuration/ for more info");
+                                "See https://gitversion.net/docs/configuration for more info");
         }
 
         [Test(Description = "This test proves the configuration validation will fail early with a helpful message when a branch listed in source-branches has no configuration.")]
@@ -127,7 +127,7 @@ public void SourceBranchesValidationShouldFailWhenMatchingBranchConfigurationIsM
             SetupConfigFileContent(text);
             var ex = Should.Throw<ConfigurationException>(() => configProvider.Provide(repoPath));
             ex.Message.ShouldBe($"Branch configuration 'bug' defines these 'source-branches' that are not configured: '[notconfigured]'{System.Environment.NewLine}" +
-                                "See https://gitversion.net/docs/configuration/ for more info");
+                                "See https://gitversion.net/docs/configuration for more info");
         }
 
         [Test(Description = "Well-known branches may not be present in the configuration file. This test confirms the validation check succeeds when the source-branches configuration contain these well-known branches.")]

src/GitVersion.Core/Configuration/ConfigurationBuilder.cs

@@ -155,18 +155,18 @@ private static void ValidateConfiguration(Config config)
                 var regex = branchConfig.Regex;
                 if (regex == null)
                 {
-                    throw new ConfigurationException($"Branch configuration '{name}' is missing required configuration 'regex'{System.Environment.NewLine}" + "See https://gitversion.net/docs/configuration/ for more info");
+                    throw new ConfigurationException($"Branch configuration '{name}' is missing required configuration 'regex'{System.Environment.NewLine}" + "See https://gitversion.net/docs/configuration for more info");
                 }
 
                 var sourceBranches = branchConfig.SourceBranches;
                 if (sourceBranches == null)
                 {
-                    throw new ConfigurationException($"Branch configuration '{name}' is missing required configuration 'source-branches'{System.Environment.NewLine}" + "See https://gitversion.net/docs/configuration/ for more info");
+                    throw new ConfigurationException($"Branch configuration '{name}' is missing required configuration 'source-branches'{System.Environment.NewLine}" + "See https://gitversion.net/docs/configuration for more info");
                 }
 
                 var missingSourceBranches = sourceBranches.Where(sb => !config.Branches.ContainsKey(sb)).ToArray();
                 if (missingSourceBranches.Any())
-                    throw new ConfigurationException($"Branch configuration '{name}' defines these 'source-branches' that are not configured: '[{string.Join(",", missingSourceBranches)}]'{System.Environment.NewLine}" + "See https://gitversion.net/docs/configuration/ for more info");
+                    throw new ConfigurationException($"Branch configuration '{name}' defines these 'source-branches' that are not configured: '[{string.Join(",", missingSourceBranches)}]'{System.Environment.NewLine}" + "See https://gitversion.net/docs/configuration for more info");
             }
         }