feat: add contact form

src/app/components/contact-form/contact-form.html

@@ -0,0 +1,29 @@
+<form  [formGroup]="form">
+    <legend>{{strings.addContact|upperfirst}}.<span>{{strings.allFieldRequired|upperfirst}}</span></legend>
+    <div class="fields">
+        <app-form-field 
+            [errorsDictionary]="companyAndNameErrorsDictionary"
+            formControlName="name"
+            [label]="(strings.name|upperfirst) + ':'"
+            placeholder="Contact's name"
+        />
+        <app-form-field 
+            [errorsDictionary]="companyAndNameErrorsDictionary"
+            formControlName="company"
+            [label]="(strings.company|upperfirst) + ':'"
+            placeholder="Contact's company"
+        />
+        <app-form-field
+            [errorsDictionary]="phoneErrorsDictionary"
+            formControlName="phone"
+            [label]="(strings.phone|upperfirst) +':'"
+            placeholder="Contact's phone"
+            type="tel"
+        />
+    </div>
+    <div class="footer">
+        <app-squared-btn 
+            [text]="strings.add"
+        ></app-squared-btn>
+    </div>
+</form>