Translated the little there was to striim and statute heading. Ain't going to bother with the whole article.

_data/i18n/statute.yml

@@ -0,0 +1,6 @@
+ee:
+  statute_StatuteHeading: "MTÜ Lapikud põhikiri"
+
+en:
+  statute_StatuteHeading: "Statute of MTÜ Lapikud"
+  #TODO someone translate this

_data/i18n/striim.yml

@@ -0,0 +1,7 @@
+ee:
+  striim_StreamHeading: "Striim"
+  striim_RadioDesc    : " vaikuse peletamiseks:"
+
+en:
+  striim_StreamHeading: "Stream"
+  striim_RadioDesc    : " silence deterrent:"

_includes/pages/statute.html

@@ -1,6 +1,7 @@
+{% assign locale = site.data.i18n.statute[page.language] %}
 
 <div class="page" id="statute">
-    <h1>MTÜ Lapikud põhikiri</h1>
+    <h1>{{ locale.statute_StatuteHeading }}</h1>
     <!-- copypaste from current site -->
     <article>
         <h4>1 ÜLDSÄTTED</h4>

_includes/pages/striim.html

@@ -1,5 +1,7 @@
+{% assign locale = site.data.i18n.striim[page.language] %}
+
 <section class="container">
-    <h1>Striim</h1>
+    <h1>{{ locale.striim_StreamHeading }}</h1>
 </section>
 <section class="stream">
     <div style="display:flex; flex-wrap:wrap;">
@@ -18,7 +20,7 @@
 
     <div style="display: flex;align-items: center; text-align: center; margin: 0 auto; flex-direction: column">
         <p>
-            <a href="http://kahtlane.eu/">Kahtlane FM</a>&nbsp;vaikuse peletamiseks:
+            <a href="http://kahtlane.eu/">Kahtlane FM</a> {{ locale.striim_RadioDesc }}
         </p>
         <br>
         <audio style="display:block;" controls="controls" preload="none" id="kahtlane"><source src="http://kahtlane.eu:8000/live" type="application/ogg" /></audio>