Implement rule message improvements requested in PR review

Author: per1234

internal/rule/ruleconfiguration/ruleconfiguration.go

@@ -256,7 +256,7 @@ var configurations = []Type{
 		Subcategory:      "general",
 		ID:               "LP001",
 		Brief:            "missing library.properties",
-		Description:      `Although not required for 1.0 format libraries (AKA "legacy") not in Library Manager, metadata is useful, so it is recommended.`,
+		Description:      `Although not required for 1.0 format libraries (AKA "legacy") not in Library Manager, metadata is useful, hence recommended.`,
 		MessageTemplate:  "Library has no library.properties metadata file. This file provides useful information and is required for admission to the Library Manager index. See: https://arduino.github.io/arduino-cli/latest/library-specification/#library-metadata",
 		DisableModes:     nil,
 		EnableModes:      []rulemode.Type{rulemode.Default},
@@ -401,7 +401,7 @@ var configurations = []Type{
 		ID:               "LP010",
 		Brief:            "name > recommended length",
 		Description:      "",
-		MessageTemplate:  "library.properties name value {{.}} is longer than recommended length of 16 characters.",
+		MessageTemplate:  "library.properties name value {{.}} is longer than the recommended length of 16 characters.",
 		DisableModes:     nil,
 		EnableModes:      []rulemode.Type{rulemode.Default},
 		InfoModes:        nil,
@@ -513,7 +513,7 @@ var configurations = []Type{
 		ID:               "LP017",
 		Brief:            "duplicate name",
 		Description:      "This requirement only applies to the library.properties name value. There is no requirement to change the repository or header file names.",
-		MessageTemplate:  "Library name {{.}} is in use by a library in the Library Manager index. Each library must have a unique name value. If library is already in the index, use the \"--library-manager update\" flag.",
+		MessageTemplate:  "Library name {{.}} is in use by a library in the Library Manager index. Each library must have a unique name value. If your library is already in the index, use the \"--library-manager update\" flag.",
 		DisableModes:     []rulemode.Type{rulemode.LibraryManagerIndexed},
 		EnableModes:      []rulemode.Type{rulemode.Default},
 		InfoModes:        nil,