ci(checkstyle-rules-modification): configure linter for the project [ci skip](#26)

The line length of characters rule was set to 80 characters but now I changed it to 100 characters. Update the rules of Java linter. Added configuration of checking the first sentence. Add the hidden field check and final parameter enforcement

closes #25

Author: hamzashoukat94

.github/linters/checkstyle.xml

@@ -71,6 +71,7 @@
   <!-- See https://checkstyle.org/config_sizes.html -->
   <module name="FileLength"/>
   <module name="LineLength">
+    <property name="max" value="100"/>
     <property name="fileExtensions" value="java"/>
   </module>
 
@@ -104,7 +105,9 @@
     <module name="JavadocMethod"/>
     <module name="JavadocType"/>
     <module name="JavadocVariable"/>
-    <module name="JavadocStyle"/>
+    <module name="JavadocStyle">
+      <property name="checkFirstSentence" value="false"/>
+    </module>
     <module name="MissingJavadocMethod"/>
     <!-- Enables @SuppressWarnings Support                -->
     <module name="SuppressWarningsHolder"/>
@@ -166,7 +169,9 @@
     <!-- See https://checkstyle.org/config_coding.html -->
     <module name="EmptyStatement"/>
     <module name="EqualsHashCode"/>
-    <module name="HiddenField"/>
+    <module name="HiddenField">
+      <property name="tokens" value="VARIABLE_DEF"/>
+    </module>
     <module name="IllegalInstantiation"/>
     <module name="InnerAssignment"/>
     <module name="MagicNumber"/>
@@ -187,6 +192,8 @@
     <!-- See https://checkstyle.org/config_misc.html -->
     <module name="ArrayTypeStyle"/>
     <module name="FinalParameters"/>
+      <property name="tokens" value="CTOR_DEF"/>
+      <property name="ignorePrimitiveTypes" value="true"/>
     <module name="TodoComment"/>
     <module name="UpperEll"/>