fixed add alt attributes to project images issue (#102)

Author: TulasiLasya

_layouts/project.html

@@ -50,7 +50,7 @@ <h1>{{ page.title }}</h1>
       </div>
       <aside>
         {% if page.image %}
-        <img class="ogimage" src="{{ page.image }}">
+        <img class="ogimage" src="{{ page.image }}" alt="">
         {% endif %}
         <h2>Project Information</h2>
         <dl>

_pages/index.md

@@ -172,7 +172,7 @@ permalink: "/"
       <article class="card card-row">
       <div>
           {% if project.image %}
-          <img class="ogimage" src="{{ project.image }}">
+          <img class="ogimage" src="{{ project.image }}" alt="">
           {% endif %}
           </div>
         <div class="row-content">

_pages/list-projects.md

@@ -37,7 +37,7 @@ permalink: "/projects/"
     {% for project in open_projects %}
       <article class="card">
         {% if project.image %}
-            <img class="ogimage listed" src="{{ project.image }}">
+            <img class="ogimage listed" src="{{ project.image }}" alt="">
           {% endif%}
         <div class="card-body">
           <h3><a href="{{ project.url }}">{{ project.title }}</a></h3>
@@ -84,7 +84,7 @@ permalink: "/projects/"
       <article class="card card-row">
         <div class="row-content">
           {% if project.image %}
-            <img class="ogimage listed" src="{{ project.image }}">
+            <img class="ogimage listed" src="{{ project.image }}" alt="">
           {% endif%}
           <div>
             <h3><a href="{{ project.url }}">{{ project.title }}</a></h3>
@@ -132,7 +132,7 @@ permalink: "/projects/"
       <article class="card card-row">
         <div class="row-content">
           {% if project.image %}
-            <img class="ogimage listed" src="{{ project.image }}">
+            <img class="ogimage listed" src="{{ project.image }}" alt="">
           {% endif %}
 
           <div>